145864748 has 12 divisors (see below), whose sum is σ = 268698360. Its totient is φ = 69093792.

The previous prime is 145864739. The next prime is 145864753. The reversal of 145864748 is 847468541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959561 + ... + 959712.

It is an arithmetic number, because the mean of its divisors is an integer number (22391530).

Almost surely, 2^145864748 is an apocalyptic number.

It is an amenable number.

145864748 is a deficient number, since it is larger than the sum of its proper divisors (122833612).

145864748 is a wasteful number, since it uses less digits than its factorization.

145864748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919296 (or 1919294 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The square root of 145864748 is about 12077.4479092232. The cubic root of 145864748 is about 526.4010925828.

The spelling of 145864748 in words is "one hundred forty-five million, eight hundred sixty-four thousand, seven hundred forty-eight".